# Microgram: who-umc-quick

`station__algovigilance__microgram-who-umc-quick` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

WHO-UMC causality assessment scale: international standard alternative to Naranjo, used in VigiBase/VigiAccess reporting

## Agent metadata

- `idempotent`: true
- `read_only`: true
- `expected_latency_ms`: unknown (not yet contract-tested)
- `cost_tokens_estimate`: unknown

## Input schema

- `dechallenge_positive` *boolean* — Input variable dechallenge_positive
- `known_reaction` *boolean* — Input variable known_reaction
- `no_alternative_explanation` *boolean* — Input variable no_alternative_explanation
- `rechallenge_positive` *boolean* — Input variable rechallenge_positive
- `time_plausible` *boolean* — Input variable time_plausible

## Example call

```json
POST /api/mcp
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-who-umc-quick",
    "arguments": {}
  }
}
```

## Related

- [/tools](/tools) — all 7718 tools
- [/tools/algovigilance__microgram-who-umc-quick](/tools/algovigilance__microgram-who-umc-quick) — HTML page
- [/tools/algovigilance__microgram-who-umc-quick/json](/tools/algovigilance__microgram-who-umc-quick/json) — JSON form (agent-friendly)
- [/api/mcp](/api/mcp) — endpoint
- [/AGENTS.md](/AGENTS.md) — agent guide